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单词 praseodymium
释义

praseodymium

noun

pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdi-mē-əm How to pronounce praseodymium (audio)
ˌprā-sē-
: a yellowish-white metallic element of the rare-earth group used especially in alloys and in the form of its salts in coloring glass greenish yellow see Chemical Elements Table

Example Sentences

Recent Examples on the Web China processes more than half of the world’s cobalt, lithium, and the class of rare-earth elements (REEs) that includes neodymium, dysprosium, praseodymium, and terbium . . . Andrew Stuttaford, National Review, 12 Mar. 2022 The transition to renewable energy is also fueling global demand for specific natural resources such as neodymium and praseodymium, rare earth metals found in relative abundance in the Arctic. Daria Solovieva, Fortune, 21 Dec. 2021 Neodymium and praseodymium, used in permanent magnets, make up a smaller share. Mary Hui, Quartz, 15 July 2021 NdPr is short for neodymium-praseodymium, an alloy of two light rare earth elements that’s used in permanent magnets. Mary Hui, Quartz, 26 July 2021 Some of that neodymium can be replaced by another light rare earth, praseodymium (Pr). Mary Hui, Quartz, 14 May 2021 The remainder are mostly produced by Japan, which sources most of its neodymium and praseodymium from the Australian rare earth giant Lynas, the world’s largest miner and processor of rare earths outside of China. Mary Hui, Quartz, 14 May 2021 Lynas is the world’s second largest producer of neodymium (Nd) and praseodymium (Pr), both light rare earths. Mary Hui, Quartz, 6 Mar. 2021 The problem is that while demand for praseodymium and neodymium is high there is limited demand for other elements which are mined in conjunction, such as cerium and lanthanum. Tim Treadgold, Forbes, 3 Mar. 2021 See More

Word History

Etymology

New Latin, alteration of praseodidymium, irregular from Greek prasios, adjective + New Latin didymium didymium

First Known Use

1885, in the meaning defined above

Medical Definition

praseodymium

noun

pra·​seo·​dym·​i·​um ˌprā-zē-ō-ˈdim-ē-əm How to pronounce praseodymium (audio) ˌprā-sē- How to pronounce praseodymium (audio)
: a yellowish white trivalent metallic element of the rare-earth group
symbol Pr
see Chemical Elements Table
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更新时间:2025/2/23 22:49:00